package com.web.security.filter;

import org.springframework.cloud.gateway.filter.GatewayFilterChain;
import org.springframework.cloud.gateway.filter.GlobalFilter;
import org.springframework.core.Ordered;
import org.springframework.http.server.reactive.ServerHttpRequest;
import org.springframework.stereotype.Component;
import org.springframework.web.server.ServerWebExchange;
import com.web.common.security.FeignInnerEntity;
import reactor.core.publisher.Mono;

@Component
public class RemoveInnerFeignFilter implements GlobalFilter,Ordered{

	/**
	 * 删除feign调用标记的header，防止外部添加此header
	 */
	@Override
	public Mono<Void> filter(ServerWebExchange exchange, GatewayFilterChain chain) {
		ServerHttpRequest request = exchange.getRequest().mutate()
				.headers(httpHeaders -> httpHeaders.remove(FeignInnerEntity.HTTP_HEADER_INNER)).build();

		return chain.filter(exchange.mutate().request(request).build());
	}
	
	@Override
	public int getOrder() {
		return -1;
	}
}
